AirHint found the following cheapest return flights from Cologne (CGN) to Yerevan (EVN) in September 2025 (see full year).

Return flights

29 Sep - 13 Oct	Ryanair
22 Sep - 13 Oct	FlyOne Armenia	direct
29 Sep - 13 Oct	FlyOne Armenia	direct
23 Sep - 30 Sep	Ryanair
24 Sep - 02 Oct	Pegasus Airlines
24 Sep - 01 Oct	Pegasus Airlines
29 Sep - 06 Oct	Eurowings
22 Sep - 29 Sep	Pegasus Airlines
22 Sep - 06 Oct	FlyOne Armenia	direct
29 Sep - 06 Oct	FlyOne Armenia	direct
28 Sep - 05 Oct	Eurowings
29 Sep - 20 Oct	FlyOne Armenia	direct
26 Sep - 28 Sep	Ryanair
22 Sep - 29 Sep	FlyOne Armenia	direct

Also check the deals for one-way flights from Cologne to Yerevan in September.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Cologne to Yerevan in September from $286

Return flights